/*
 * Copyright 2011 The Rusted Roof, LLC.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package org.proteusframework.platformservice.messaging;

import org.proteusframework.core.api.model.INamespace;
import org.proteusframework.core.base.AbstractObject;
import org.proteusframework.core.util.Assert;

import java.util.Properties;

/**
 * Base class for all <code>IMessageSinkProducer</code> and <code>IMessageSinkSubscriber</code> concrete
 * implementations.
 *
 * @param <T> Specific type of message bean that the message sink represents.
 */
public abstract class AbstractMessageSinkClient<T extends IMessageBean> extends AbstractObject implements IMessageSinkClient<T>
{
    protected final Properties metadata;
    protected final IMessageSink<T> messageSink;

    protected AbstractMessageSinkClient(INamespace namespace, Properties metadata, IMessageSink<T> messageSink)
    {
        super(namespace);
        if (null == metadata)
        {
            this.metadata = new Properties();
        } else
        {
            this.metadata = metadata;
        }

        Assert.parameterNotNull(messageSink, "Parameter 'messageSink' must not be null");
        this.messageSink = messageSink;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public IMessageSink<T> getMessageSink()
    {
        return messageSink;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Properties getMetadata()
    {
        return metadata;
    }
}
